Example usage for android.hardware.camera2 CameraAccessException printStackTrace

Introduction

In this page you can find the example usage for android.hardware.camera2 CameraAccessException printStackTrace.

Prototype

public void printStackTrace() 

Source Link

Document

Prints this throwable and its backtrace to the standard error stream.

Usage

From source file:MainActivity.java

public void clickLights(View view) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        try {// w ww  .  ja v  a2 s.  co m
            mCameraManager.setTorchMode(mCameraId, mButtonLights.isChecked());
        } catch (CameraAccessException e) {
            e.printStackTrace();
        }
    }
}

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From source file:MainActivity.java

private String getCameraId() {
    try {/*from  ww w . j  a va  2 s  . c  om*/
        String[] ids = mCameraManager.getCameraIdList();
        for (String id : ids) {
            CameraCharacteristics c = mCameraManager.getCameraCharacteristics(id);
            Boolean flashAvailable = c.get(CameraCharacteristics.FLASH_INFO_AVAILABLE);
            Integer facingDirection = c.get(CameraCharacteristics.LENS_FACING);
            if (flashAvailable != null && flashAvailable && facingDirection != null
                    && facingDirection == CameraCharacteristics.LENS_FACING_BACK) {
                return id;
            }
        }
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
    return null;
}

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From source file:MainActivity.java

private void setFlashlight(boolean enabled) {
    mButtonLight.setChecked(enabled);/*from w  w w.  j  a v  a2  s  .  c  o m*/
    try {
        mCameraManager.setTorchMode(mCameraId, enabled);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

---

From source file:MainActivity.java

private void startPreview(CameraCaptureSession session) {
    mCameraCaptureSession = session;/*  ww w.ja  v a2s .  com*/
    mCaptureRequestBuilder.set(CaptureRequest.CONTROL_MODE, CameraMetadata.CONTROL_MODE_AUTO);
    HandlerThread backgroundThread = new HandlerThread("CameraPreview");
    backgroundThread.start();
    Handler backgroundHandler = new Handler(backgroundThread.getLooper());
    try {
        mCameraCaptureSession.setRepeatingRequest(mCaptureRequestBuilder.build(), null, backgroundHandler);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

---

From source file:MainActivity.java

private void openCamera() {
    CameraManager manager = (CameraManager) getSystemService(CAMERA_SERVICE);
    try {//from ww w. ja v  a2  s. c o  m
        String cameraId = manager.getCameraIdList()[0];
        CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId);
        StreamConfigurationMap map = characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
        mPreviewSize = map.getOutputSizes(SurfaceTexture.class)[0];
        manager.openCamera(cameraId, mStateCallback, null);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    } catch (SecurityException e) {
        e.printStackTrace();
    }
}

---

From source file:com.dastanapps.camera2.view.Cam2AutoFitTextureView.java

@Override
public boolean onTouch(View v, MotionEvent event) {
    if (mCharacteristics != null && mPreviewBuilder != null && mPreviewSession != null) {
        switch (event.getAction()) {
        case MotionEvent.ACTION_DOWN:
            touchToFocus(event);//from w ww  .j a  v a2 s  . c om
            pinchToZoom(event);
            setPosition(event);
            break;
        case MotionEvent.ACTION_UP:
            break;
        }

        try {
            mPreviewSession.setRepeatingRequest(mPreviewBuilder.build(), mCaptureCallback, null);
        } catch (CameraAccessException e) {
            e.printStackTrace();
        } catch (NullPointerException ex) {
            ex.printStackTrace();
        }
        return true;
    }
    return true;
}

---

From source file:com.dastanapps.camera2.view.Cam2AutoFitTextureView.java

protected void touchToFocus(MotionEvent event) {
    //first stop the existing repeating request
    try {/*from   w w w  .  ja  v a  2s . co m*/
        mPreviewSession.stopRepeating();
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
    Rect rect = mCharacteristics.get(CameraCharacteristics.SENSOR_INFO_ACTIVE_ARRAY_SIZE);
    Log.i(TAG, "SENSOR_INFO_ACTIVE_ARRAY_SIZE,,,,,,,,rect.left--->" + rect.left + ",,,rect.top--->" + rect.top
            + ",,,,rect.right--->" + rect.right + ",,,,rect.bottom---->" + rect.bottom);
    Size size = mCharacteristics.get(CameraCharacteristics.SENSOR_INFO_PIXEL_ARRAY_SIZE);
    Log.i(TAG, "mCameraCharacteristics,,,,size.getWidth()--->" + size.getWidth() + ",,,size.getHeight()--->"
            + size.getHeight());
    int areaSize = 200;
    int right = rect.right;
    int bottom = rect.bottom;
    int viewWidth = getWidth();
    int viewHeight = getHeight();
    int ll, rr;
    Rect newRect;
    int centerX = (int) event.getX();
    int centerY = (int) event.getY();
    ll = ((centerX * right) - areaSize) / viewWidth;
    rr = ((centerY * bottom) - areaSize) / viewHeight;
    int focusLeft = clamp(ll, 0, right);
    int focusBottom = clamp(rr, 0, bottom);
    Log.i(TAG, "focusLeft--->" + focusLeft + ",,,focusTop--->" + focusBottom + ",,,focusRight--->"
            + (focusLeft + areaSize) + ",,,focusBottom--->" + (focusBottom + areaSize));
    newRect = new Rect(focusLeft, focusBottom, focusLeft + areaSize, focusBottom + areaSize);
    MeteringRectangle meteringRectangle = new MeteringRectangle(newRect, 500);
    MeteringRectangle[] meteringRectangleArr = { meteringRectangle };
    mPreviewBuilder.set(CaptureRequest.CONTROL_AF_TRIGGER, CameraMetadata.CONTROL_AF_TRIGGER_CANCEL);
    mPreviewBuilder.set(CaptureRequest.CONTROL_AF_REGIONS, meteringRectangleArr);
    mPreviewBuilder.set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_AUTO);
    mPreviewBuilder.set(CaptureRequest.CONTROL_AF_TRIGGER, CameraMetadata.CONTROL_AF_TRIGGER_START);
}

---

From source file:com.dastanapps.camera2.view.Cam2AutoFitTextureView.java

@Nullable
private Boolean touchTofocus2(MotionEvent event) {
    MotionEvent motionEvent = event;/*from ww  w . jav  a2 s  .  c  o  m*/
    final int actionMasked = motionEvent.getActionMasked();
    if (actionMasked != MotionEvent.ACTION_DOWN) {
        return false;
    }
    if (mManualFocusEngaged) {
        Log.d(TAG, "Manual focus already engaged");
        return true;
    }

    final Rect sensorArraySize = mCharacteristics.get(CameraCharacteristics.SENSOR_INFO_ACTIVE_ARRAY_SIZE);

    //TODO: here I just flip x,y, but this needs to correspond with the sensor orientation (via SENSOR_ORIENTATION)
    final int y = (int) ((motionEvent.getX() / (float) getWidth()) * (float) sensorArraySize.height());
    final int x = (int) ((motionEvent.getY() / (float) getHeight()) * (float) sensorArraySize.width());
    final int halfTouchWidth = 150; //(int)motionEvent.getTouchMajor(); //TODO: this doesn't represent actual touch size in pixel. Values range in [3, 10]...
    final int halfTouchHeight = 150; //(int)motionEvent.getTouchMinor();
    MeteringRectangle focusAreaTouch = new MeteringRectangle(Math.max(x - halfTouchWidth, 0),
            Math.max(y - halfTouchHeight, 0), halfTouchWidth * 2, halfTouchHeight * 2,
            MeteringRectangle.METERING_WEIGHT_MAX - 1);

    CameraCaptureSession.CaptureCallback captureCallbackHandler = new CameraCaptureSession.CaptureCallback() {
        @Override
        public void onCaptureCompleted(CameraCaptureSession session, CaptureRequest request,
                TotalCaptureResult result) {
            super.onCaptureCompleted(session, request, result);
            mManualFocusEngaged = false;

            if (request.getTag() == "FOCUS_TAG") {
                //the focus trigger is complete -
                //resume repeating (preview surface will get frames), clear AF trigger
                mPreviewBuilder.set(CaptureRequest.CONTROL_AF_TRIGGER, null);
                try {
                    mPreviewSession.setRepeatingRequest(mPreviewBuilder.build(), null, null);
                } catch (CameraAccessException e) {
                    e.printStackTrace();
                }
            }
        }

        @Override
        public void onCaptureFailed(CameraCaptureSession session, CaptureRequest request,
                CaptureFailure failure) {
            super.onCaptureFailed(session, request, failure);
            Log.e(TAG, "Manual AF failure: " + failure);
            mManualFocusEngaged = false;
        }
    };

    //first stop the existing repeating request
    try {
        mPreviewSession.stopRepeating();
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }

    //cancel any existing AF trigger (repeated touches, etc.)
    mPreviewBuilder.set(CaptureRequest.CONTROL_AF_TRIGGER, CameraMetadata.CONTROL_AF_TRIGGER_CANCEL);
    mPreviewBuilder.set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_OFF);
    try {
        mPreviewSession.capture(mPreviewBuilder.build(), captureCallbackHandler, null);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }

    //Now add a new AF trigger with focus region
    if (isMeteringAreaAFSupported()) {
        mPreviewBuilder.set(CaptureRequest.CONTROL_AF_REGIONS, new MeteringRectangle[] { focusAreaTouch });
    }
    mPreviewBuilder.set(CaptureRequest.CONTROL_MODE, CameraMetadata.CONTROL_MODE_AUTO);
    mPreviewBuilder.set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_AUTO);
    mPreviewBuilder.set(CaptureRequest.CONTROL_AF_TRIGGER, CameraMetadata.CONTROL_AF_TRIGGER_START);
    mPreviewBuilder.setTag("FOCUS_TAG"); //we'll capture this later for resuming the preview

    //            //then we ask for a single request (not repeating!)
    //            mPreviewSession.capture(mPreviewBuilder.build(), captureCallbackHandler, mBackgroundHandler);
    return null;
}

---

From source file:com.google.android.apps.watchme.StreamerActivity.java

private void connectCamera() {
    CameraManager cameraManager = (CameraManager) getSystemService(Context.CAMERA_SERVICE);
    try {/*from   ww  w . j  a  v a 2 s .c om*/
        cameraManager.openCamera(cameraId, cameraDeviceCallback, backgroundHandler);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

---

From source file:com.raulh82vlc.face_detection_sample.camera2.presentation.FDCamera2Presenter.java

private void updatePreview() {
    if (null == cameraDevice) {
        Log.e(TAG, "updatePreview error, return");
    }//  www . j av a 2  s.c o m
    captureRequestBuilder.set(CaptureRequest.STATISTICS_FACE_DETECT_MODE,
            CameraMetadata.STATISTICS_FACE_DETECT_MODE_FULL);

    try {
        cameraCaptureSessions.setRepeatingRequest(captureRequestBuilder.build(), captureCallback,
                mainThread.get());
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

---

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